TY - BOOK AU - Vaisman, Izu AU - TI - Symplectic Geometry and Secondary Characteristic classes U1 - 514.154 PY - 1987/// CY - Boston PB - Birkhauser KW - Mathematics KW - Number theory KW - Set theory KW - Group theory KW - Trigonometry KW - plane geometry KW - symplectic geometry N1 - (Progress in mathematics, v.72) bibliog. p.207-212 ER -